## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

The answer is $\color{red}{h) 3t^2 + 4t + 7}$.
Remember that a trinomial is an expression with three monomials. In this item, the trinomial with its terms arranged in descending order (according to the degree of the variables) is, $3t^2 + 4t + 7$. The answer is $\color{red}{h) 3t^2 + 4t + 7}$.